Adding a canvas telemetry test that uses a large font set

tools/perf/page_sets/tough_canvas_cases.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class ToughCanvasCasesPage(page_module.Page):
 
   def __init__(self, url, page_set):
@@ skipping 62 matching lines @@
       'http://ie.microsoft.com/testdrive/Performance/AsteroidBelt/Default.html',
       'http://www.smashcat.org/av/canvas_test/',
       # pylint: disable=C0301
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=canvas_sprite&back=canvas',
       # pylint: disable=C0301
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=image_with_shadow&back=image',
       # pylint: disable=C0301
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=filled_path&back=gradient',
       # pylint: disable=C0301
       'file://tough_canvas_cases/canvas2d_balls_common/bouncing_balls.html?ball=text&back=white&ball_count=15',
+      'file://tough_canvas_cases/canvas-font-cycler.html',
       'file://tough_canvas_cases/canvas-animation-no-clear.html',
       'file://../../../chrome/test/data/perf/canvas_bench/single_image.html',
       'file://../../../chrome/test/data/perf/canvas_bench/many_images.html'
     ]
 
     for url in urls_list:
       self.AddUserStory(ToughCanvasCasesPage(url, self))